Arched doors do not have special except from ordinary doors, from a functional point of view. The main distinguish, is the rounded shape of the upper part of the door. Those who decided to use such arched doors should know that this will say that you have a good and sophisticated taste. If you look into history, then such roundings appeared and began to be used in the half of the 19th century. This type of door could only be made by experienced carpenters who had a great talent.